source/libs/pixman/pixman-src/pixman/pixman-region16.c

   1 /*
   2  * Copyright © 2008 Red Hat, Inc.
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software
   5  * and its documentation for any purpose is hereby granted without
   6  * fee, provided that the above copyright notice appear in all copies
   7  * and that both that copyright notice and this permission notice
   8  * appear in supporting documentation, and that the name of
   9  * Red Hat, Inc. not be used in advertising or publicity pertaining to
  10  * distribution of the software without specific, written prior
  11  * permission. Red Hat, Inc. makes no representations about the
  12  * suitability of this software for any purpose.  It is provided "as
  13  * is" without express or implied warranty.
  14  *
  15  * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
  16  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  17  * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
  18  * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
  19  * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  20  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
  21  * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  22  *
  23  * Author: Soren Sandmann <sandmann@redhat.com>
  24  */
  25 #ifdef HAVE_CONFIG_H
  26 #include <config.h>
  27 #endif
  28
  29 #undef PIXMAN_DISABLE_DEPRECATED
  30
  31 #include "pixman-private.h"
  32
  33 #include <stdlib.h>
  34
  35 typedef pixman_box16_t          box_type_t;
  36 typedef pixman_region16_data_t  region_data_type_t;
  37 typedef pixman_region16_t       region_type_t;
  38 typedef int32_t                 overflow_int_t;
  39
  40 typedef struct {
  41     int x, y;
  42 } point_type_t;
  43
  44 #define PREFIX(x) pixman_region##x
  45
  46 #define PIXMAN_REGION_MAX INT16_MAX
  47 #define PIXMAN_REGION_MIN INT16_MIN
  48
  49 #include "pixman-region.c"
  50
  51 /* This function exists only to make it possible to preserve the X ABI -
  52  * it should go away at first opportunity.
  53  *
  54  * The problem is that the X ABI exports the three structs and has used
  55  * them through macros. So the X server calls this function with
  56  * the addresses of those structs which makes the existing code continue to
  57  * work.
  58  */
  59 PIXMAN_EXPORT void
  60 pixman_region_set_static_pointers (pixman_box16_t *empty_box,
  61                                    pixman_region16_data_t *empty_data,
  62                                    pixman_region16_data_t *broken_data)
  63 {
  64     pixman_region_empty_box = empty_box;
  65     pixman_region_empty_data = empty_data;
  66     pixman_broken_data = broken_data;
  67 }